src/interfaces/odbc/columninfo.h

   1
   2 /* File:                        columninfo.h
   3  *
   4  * Description:         See "columninfo.c"
   5  *
   6  * Comments:            See "notice.txt" for copyright and license information.
   7  *
   8  */
   9
  10 #ifndef __COLUMNINFO_H__
  11 #define __COLUMNINFO_H__
  12
  13 #include "psqlodbc.h"
  14
  15 struct ColumnInfoClass_
  16 {
  17         Int2            num_fields;
  18         char      **name;                       /* list of type names */
  19         Oid                *adtid;                      /* list of type ids */
  20         Int2       *adtsize;            /* list type sizes */
  21         Int2       *display_size;       /* the display size (longest row) */
  22         Int4       *atttypmod;          /* the length of bpchar/varchar */
  23 };
  24
  25 #define CI_get_num_fields(self)                 (self->num_fields)
  26 #define CI_get_oid(self, col)                   (self->adtid[col])
  27 #define CI_get_fieldname(self, col)             (self->name[col])
  28 #define CI_get_fieldsize(self, col)             (self->adtsize[col])
  29 #define CI_get_display_size(self, col)  (self->display_size[col])
  30 #define CI_get_atttypmod(self, col)             (self->atttypmod[col])
  31
  32 ColumnInfoClass *CI_Constructor(void);
  33 void            CI_Destructor(ColumnInfoClass *self);
  34 void            CI_free_memory(ColumnInfoClass *self);
  35 char            CI_read_fields(ColumnInfoClass *self, ConnectionClass *conn);
  36
  37 /* functions for setting up the fields from within the program, */
  38 /* without reading from a socket */
  39 void            CI_set_num_fields(ColumnInfoClass *self, int new_num_fields);
  40 void CI_set_field_info(ColumnInfoClass *self, int field_num, char *new_name,
  41                                   Oid new_adtid, Int2 new_adtsize, Int4 atttypmod);
  42
  43
  44 #endif